PRELIMINARY相关论文
Human Mars exploration has significant values in terms of exploring extraterrestrial life, interplanetary im-migration, ......
Coronavirus disease-2019 (COVID-19) caused by novel coronavirus 2019 (2019-nCoV) has led to 199,466,211 confirmed cases,......
【Abstract】With the high speed development of modern information technology and the popularity of smart phones among co......
Aim: To propose a practical clinical classification for the chronic prostatitis (CP). Methods: The clinical fea-tures a......
On May 12,2008 at 14:28,a catastrophic magnitude Ms 8.0 earthquake struck the Sichuan Province of China.The epicenter wa......
An optimal assessment method for the design of accelerograph arrays to monitor the seismic response of high-rise buildin......
Low exploration activity fields(e.g.,deep formation,deep water,and new exploration areas) are of great importance for pe......
Factors Associated with Death Due to 2009 Influenza A (H1N1) Virus Infection and Acute Respiratory D
Objective Patients with H1N1 virus infection were hospitalized and quarantined, and some of them developed into acute re......
As the economy continued to grow,the consumption volume and social accumulation volume of domestic aluminum products con......
AN ELECTRON MICROSCOPIC STUDY ON UNIDENTIFIED VIRUSES ISOLATED FROM SEVERAL ORGANS OF KESHAN DISEASE
<正> Several virus strains were isolated from different organs of the acute or subacute Keshan disease (克山病) sufferer......
<正> All forms of bauxite deposits were divided in 1975 by G. I. Bushinsky into 13 genetic types, among which the Soviet......
<正> The preliminary results of exposing thymus DNA (deoxyribonucleic acid) to direct cosmic radiation at Chingliangchia......
<正> In the realm of business management, the author first adopted DITSF, the structured FORTRAN language developed by t......
This paper presents the design, fabrication, and preliminary experimental result of an electric field microsensor based ......
Synthesis, Crystal Structure, and Antitumor Activity of 1-(4-Methoxybenzylidene)-2-(1-phenyl-6-trifl
The novel title compound 1-(4-methoxybenzylidene)-2-(1-phenyl-6-trifluoromethyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)hydrazi......
Antiviral stereoisomers of 3,5-bis(2-hydroxybut-3-en-1-yl)-1,2,4-thiadiazole from the roots of Isati
Four stereoisomers of 3,5-bis(2-hydroxybut-3-en-1-yl)-1,2,4-thiadiazole, named insatindigothiadiazoles A–D(1a–1d), wer......
Charging dynamics of a polymer due to electron irradiation:A simultaneous scattering-transport model
We present a novel numerical model and simulate preliminarily the charging process of a polymer subjected to electron ir......
Two new hydrazone compounds, 3-bromo-N’-(2-chloro-5-nitrobenzylidene)-ben- zohydrazide 1 and 3-bromo-N’-(4-nitrobenzyl......
The influence of the lone pair of electrons in thallium complexes is analyzed using the bond valence sum method.Bond len......
Synthesis of new hyodeoxycholic acid thiosemicarbazone derivatives under solvent-free conditions usi
An efficient and simple method for synthesis of new hyodeoxycholic acid thiosemicarbazone derivatives under solvent-free......
Removal of Trace Olefins from Aromatics by Catalytic Alkylation Using 1-Alkyl-3-methylimidazolium Br
Removal of trace olefins from aromatic liquids had been investigated in the presence of various ionic liquids like 1-eth......
A new series of benzamide derivatives as glucokinase activators(GKAs) were designed and synthesized,and their activation......
Based on the active site of lanosterol 14α-demethylase of azole antifungal agents,sixteen 1-(1H-1,2,4-triazole-1-yl)- 2......
Design,synthesis and preliminary bio-evaluation of glucose-cholesterol derivatives as ligands for br
A series of glucose-cholesterol derivatives 8a-8e as ligands for brain targeting liposomes were synthesized.The preparat......
Systematic structure modification of the side train of the lead compound saprothoquinone provides a series of salvicine ......
Microwave-assisted synthesis of some novel fluorinated pyrazolo[3,4-d]pyrimidine derivatives contain
A facile microwave-assisted procedure for synthesis of novel fluorinated pyrazolo[3,4-d]pyrimidine derivatives containin......
Preliminary evaluation of pelvic vascular bed isolation chemotherapy in the treatment of advanced ce
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PreliminaryevaluationofpelvicvascularbedisolationchemotherapyinthetreatmentofadvancedcervicalcarcinomaJiangSenandPo......
Development of section fits with the nation’s move to use clean energy China has also commenced the exploration and de......
Two novel compounds 1-(4-fluorobenzyl)-4-chloro-(Z)-3-benzoylhydrazono-2-indolinone(1) and 1-(4-methoxybenzyl)-(Z)-3-ben......
Synthesis,Crystal Structure,and Biological Activity of Naphthalen-2-yl4-methyl-1,2,3-thiadiazole-5-c
The title compound naphthalen-2-yl-4-methyl-1,2,3-thiadiazole-5-carboxylate (C 14 H 10 N 2 O 2 S,M r=270.31) was synthes......
The title compound N-(tert-butyl)-N’-(2-(4-chlorophenyl)acetyl)-5-methyl-1,2,3-thiadiazole-4-carbohydrazide (C16H19ClN4......
The reporter learned from the China International Transport-use Aluminum Forum2015 that 5 years later Qijiang District i......
Inverse relationship of interleukin-6 and mast cells in children with inflammatory and non-inflammat
AIM: To investigate interleukin-6 (IL-6), mast cells, enterochromaffin cells, 5-hydroxytryptamine, and substance P in th......
Two new iridoid glycosides,named scrophularianoids A(1) and B(2),were isolated from the roots of Scrophularia ningpoensi......
A new 4,5-diaryl-1H-imidazole was synthesized and characterized by 1H NMR, ESI-MS, elemental analysis and FT-IR. The cry......
Efficient Synthesis, Crystal Structure and Antibacterial Activity of Two Novel 1,3-Oxazin Derivative
Two new 1,3-oxazin derivatives, C22H24N2O5(3I) and C19H16N2O5(3II), have been synthesized via an unusual cascade reactio......
Synthesis, Bioactivity and Crystal Structure Analysis of 2-(Benzo[d]isothiazol-3-yloxy)-N-(3-cyano-1
A novel benzisothiazolin-3-one derivative, 2-(benzo[d]isothiazol-3-yloxy)-N-(3-cyano-1-(4-fluorophenyl)-1H-pyrazol-5-yl)......
Synthesis, Crystal Structure and Fungicidal Activity of N-(4-tert-buty)-5-(1,2,4-triazol-1-yl)thiazo
The title compound has been synthesized by the reaction of 4-tert-butyl-5-(1,2,4-triazol-1-yl)-2-aminothiazole with prop......
Ultrasound-assisted synthesis and preliminary bioactivity of novel 2H-1,2,4-thiadiazolo[2,3-a]pyrimi
Eight novel 5,7-disubstituted-2-{5-methyl-3-(4-trifluoromethylphenyl)isoxazol-4-ylcarbonylimino}-2H-1,2,4-thiadiazolo[2,......
A series of new aurone derivatives was prepared by means of a practical route and their anti-vascular smooth muscle cell......
Synthesis,Crystal Structure and Antifungal Activities of 3-Methyl-1-(4-methylphenyl)-4-(N-4-trifluor
The title compound 3-methyl-1-(4-methylphenyl)-4-(N-4-trifluoromethylphenyl) aminomethyl-5-(4-methoxyphenylthio)-1H-pyra......
Mannich Base Derivatives of 1,2-Benzisothiazolin-3-one: Syntheses, Crystal Structures and Bioactivit
Twelve Mannich base derivatives of 1,2-benzisothiazolin-3-one were synthesized by the reaction of 1,2-benzisothiazol-3(2......
Syntheses,Crystal Structures,and Antimicrobial Activities of N′-(5-Hydroxy-2-nitrobenzylidene)-4-dim
Two new hydrazone compounds,N’-(5-hydroxy-2-nitrobenzylidene)-4-dimethyl-aminobenzohydrazide methanol solvate (1) and 2......
Design,synthesis and biological evaluation of new rhodacyanine analogues as potential antitumor agen
In an attempt to develop potent antitumor agents,new rhodacyanine analogues containing the pyridinium ring(5a-5h),the is......
A series of rotenone O-alkyl oxime derivatives was designed and synthesized. Their structures were confirmed by elementa......
Design,synthesis characterization and in vitro biological activity of a series of 3-aryl-6-(bromoary
Bromination is used as a strategy to improve biological activity in medicinal chemistry.In order to study on the structu......
Synthesis,Bioactivity and Crystal Structure Analysis of N-(2-ethoxyphenyl)-3-oxobenzo[d]isothiazole-
The title compound N-(2-ethoxyphenyl)-3-oxobenzo[d]isothiazole-2(3H)-carboxa-mide(C16H14N2O3S,Mr = 314.35) has been synt......
Two compounds,3-oxo-N-o-tolylbenzo[d]isothiazole-2(3H)-carboxamide (1) and N-(2-methoxyphenyl)-3-oxobenzo[d]isothiazole-......
The number of systematic reviews is gradually increasing over time. Also, the methods to perform a systematic review are......
Thirteen thiomorpholine-bearing compounds were designed and synthesized as dipeptidyl peptidase IV(DPP-IV) inhibitors, w......
